एपीए उद्धरण

Sarah Lynn. (2000). Focus on grammar: An intermediate course for reference and practice (Teacher's manual). White Plains, NY: Pearson Education.

शिकागो स्टाइल उद्धरण

Sarah Lynn. Focus On Grammar: An Intermediate Course for Reference and Practice (Teacher's Manual). White Plains, NY: Pearson Education, 2000.

एमएलए उद्धरण

Sarah Lynn. Focus On Grammar: An Intermediate Course for Reference and Practice (Teacher's Manual). White Plains, NY: Pearson Education, 2000.